method

exists?

Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: ActiveResource::Base

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What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v3.2.13) is shown here.

These similar methods exist in v7.1.3.2:

exists?() public

Evaluates to true if this resource is not new? and is found on the remote service. Using this method, you can check for resources that may have been deleted between the object’s instantiation and actions on it.

Examples

Person.create(:name => 'Theodore Roosevelt')
that_guy = Person.find(:first)
that_guy.exists? # => true

that_lady = Person.new(:name => 'Paul Bean')
that_lady.exists? # => false

guys_id = that_guy.id
Person.delete(guys_id)
that_guy.exists? # => false

Show source

# File activeresource/lib/active_resource/base.rb, line 1207
    def exists?
      !new? && self.class.exists?(to_param, :params => prefix_options)
    end

exists?

Related methods

Method deprecated or moved

Examples